<?php

namespace app\model;

class EnterprisePassport extends PassportCommon
{
    private static $obj;

    public function _initialize()
    {
        parent::_initialize();
        $this->db_name = 'enterprise_passport';
    }

    /**
     * 类入口
     * @return EnterprisePassport
     */
    public static function getInstance()
    {
        if (is_null(self::$obj))
            self::$obj = new self();
        return self::$obj;
    }
}
